Putter head



FIG. 1 is a back elevation of the putter head showing my new design;

FIG. 2 is a top view of the putter;

FIG. 3 is a bottom view of the putter;

FIG. 4 is a front view of the putter; and

FIG. 5 is a view of the heel of the putter. 

The ornamental design for a putter head, substantially as shown and described. 